Show notes
Six days before he sat down for this conversation, he ran a marathon. Then he explained what the race did to his brain. When you run 26 miles and your glycogen runs out, your brain still needs energy, so it starts stripping the fatty myelin off its own neurons and burning it for fuel. MRI scans caught a 20% drop in myelin up to two months after a marathon, and cognitive testing showed real impairment for about a month. In this episode, Louisa sits down with Brady Holmer, exercise physiologist, They cover why "marathon brain" is real but temporary, the menopause parallel where a starved brain catabolizes its own white matter, and whether pre-loading ketones or omega-3s can protect your myelin through a hard endurance effort. Then Brady breaks down VO2 max the way almost nobody does: not as a heart-and-lung number, but as a five-step oxygen cascade running from your lungs to your mitochondria, and why the bottleneck moves from your heart to your muscles as you age. You will learn the exact VO2 max floor below which everything becomes a maximal effort, the "50 at 50" target, and why women should aim for 40 to 50.Brady also lays out how the brain itself gates your fitness through myokine signaling, why the one to two hours after training may matter more than sleep for adaptation, and the truth about "non-responders" and the IGF binding protein biology behind trainability. Then the protocols: why the Norwegian 4x4 beats Tabata for VO2 max, how sauna and post-exercise ketones amplify the same session, why sleep consistency beats sleep duration, and the single weekly workout Brady says everyone should be doing for both VO2 max and brain health over the next decade.Reduce your risk of Alzheimer's with my science-backed protocol for women 30+: https://go.neuroathletics.com.au/youtube-sales-pageSubscribe to The Neuro Experience for evidence-based conversations at the intersection of brain science, longevity, and performance.TOPICS DISCUSSEDThank you to our sponsorsKetoneIQ: https://ketone.com/NEURO for 30% OFFQualia: https://qualialife.com/NEURO for 50% offTimeline: https://timeline.com/NEURO for MitopureCozy Earth: https://cozyearth.com use code NEURO for 20% offI’m Louisa Nicola - clinical neurophysiologist - Alzheimer’s prevention specialist - founder of Neuro Athletics.My mission is to translate cutting-edge neuroscience into actionable strategies for cognitive longevity, peak performance, and brain disease prevention. If you're committed to optimizing your brain- reducing Alzheimer’s risk - and staying mentally sharp for life, you’re in the right place.Stay sharp. Stay informed. Join thousands who subscribe to the Neuro Athletics Newsletter → https://bit.ly/3ewI5P0 Instagram: https://www.instagram.com/louisanicola_/ Twitter : https://twitter.com/louisanicola_Learn more about your ad choices. Visit megaphone.fm/adchoices
